# Scrapy settings for yueshushu project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://docs.scrapy.org/en/latest/topics/settings.html
#     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = "yueshushu"

SPIDER_MODULES = ["yueshushu.spiders"]
NEWSPIDER_MODULE = "yueshushu.spiders"


# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = "yueshushu (+http://www.yourdomain.com)"

# Obey robots.txt rules
# 修改为 False 表示不遵守协议
ROBOTSTXT_OBEY = False

# Configure maximum concurrent requests performed by Scrapy (default: 16)
#CONCURRENT_REQUESTS = 32

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
#DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16

# Disable cookies (enabled by default)
#COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False

# Override the default request headers:
#DEFAULT_REQUEST_HEADERS = {
#    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
#    "Accept-Language": "en",
#}

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
#    "yueshushu.middlewares.YueshushuSpiderMiddleware": 543,
#}

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
#    "yueshushu.middlewares.YueshushuDownloaderMiddleware": 543,
#}

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
#    "scrapy.extensions.telnet.TelnetConsole": None,
#}

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
# 启用MongoDB管道
# MongoDB settings
MONGODB_SERVER = "mongodb://stock88:123456@www.yueshushu.top"
MONGODB_PORT = 27017
MONGODB_DB = "stock"
MONGODB_COLLECTION = "python4"

# Redis settings
REDIS_HOST = 'www.yueshushu.top'
REDIS_PORT = 6379
REDIS_PASSWORD = 'yjl250'
REDIS_DB = 0

ITEM_PIPELINES = {
   "yueshushu.pipelines.YueshushuPipeline": 300,
}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = "httpcache"
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage"

# Set settings whose default value is deprecated to a future-proof value
REQUEST_FINGERPRINTER_IMPLEMENTATION = "2.7"
TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor"
FEED_EXPORT_ENCODING = "utf-8"


# Scrapy settings for scrapy_redis_example project
# Enables scheduling storing requests queue in redis.
SCHEDULER = "scrapy_redis.scheduler.Scheduler"

# Ensure all spiders share same duplicates filter through redis.
DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"

REDIS_URL = 'redis://www.yueshushu.top:6379'

REDIS_PARAMS = {
    'db': 0,  # 使用第1号数据库
    'password': 'yjl250',  # 如果需要密码认证
    'socket_timeout': 30,  # 设置超时时间
}

# Don't cleanup redis queues, allows to pause/resume crawls.
SCHEDULER_PERSIST = True

# Item pipelines
ITEM_PIPELINES = {
   "yueshushu.pipelines.YueshushuPipeline": 300,
    'scrapy_redis.pipelines.RedisPipeline': 400,
}

# Start Redis Scheduler from Spider
SCHEDULER_QUEUE_CLASS = 'scrapy_redis.queue.SpiderPriorityQueue'
# SCHEDULER_QUEUE_CLASS = 'scrapy_redis.queue.SpiderQueue'  # FIFO queue
# SCHEDULER_QUEUE_CLASS = 'scrapy_redis.queue.SpiderStack'  # LIFO stack

# Introduce an artifical delay to make use of parallelism. to speed up the
# crawl.
DOWNLOAD_DELAY = 1

# Redis settings
REDIS_HOST = 'www.yueshushu.top'
REDIS_PORT = 6379

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
AUTOTHROTTLE_ENABLED = True
AUTOTHROTTLE_START_DELAY = 5
AUTOTHROTTLE_MAX_DELAY = 60
AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0